Densitometer - Transmission

Baldwin Instrument Company Limited, Manufacturer

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Maker and Role
Baldwin Instrument Company Limited, Manufacturer
A Baldwin made Transmission densitometer Mk 4B. Meter has a metal box shell, coloured grey, with spring lever arm with hole and sliding holes on perpendicular arm over lens with light bulb underneath. Two sides of the outer box have ventilation. Lens inside box with frosted glass cover with hole cut for lens. At front, a switch for on-off and 2 knobs - coarse and fine. Plug with 3 points at back. Unit has two black rubber feet at rear, tilting forward slightly.
Processed Material/Metal
Processed Material/Glass
Signature/Marks and Type
Transmission Densitometer Mk 4B Maker's Mark
Baldwin/ Instrument Co. Ltd/ Dartford, Kent/ Made in England Maker's Plate
Accession No
Credit Line
Baldwin Instrument Company Limited. Densitometer - Transmission, F1387.2004. The Museum of Transport and Technology (MOTAT).

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